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Mackie MDB-1P - Passive Direct Box

Brand: Mackie

Model Number: MDB-1P

Product Code: QD1250

Availability: In stock

AED 242.71

The Mackie MDB-1P is a passive direct box designed to connect a single instrument such as a guitar, bass, or keyboard to a microphone preamp for musicians and audio engineers in recording sessions, houses of worship, and live stage applications. It converts a high-impedance, instrument-level signal via its 1/4" TS unbalanced input to a low-impedance, mic-level output via its balanced XLR 3-pin jack. A 1/4" thru jack allows simultaneous connection to an amplifier or pedalboard.

The Mackie MDB-1P is a passive direct box designed to connect a single instrument such as a guitar, bass, or keyboard to a microphone preamp for musicians and audio engineers in recording sessions, houses of worship, and live stage applications. It converts a high-impedance, instrument-level signal via its 1/4" TS unbalanced input to a low-impedance, mic-level output via its balanced XLR 3-pin jack. A 1/4" thru jack allows simultaneous connection to an amplifier or pedalboard.

A -15 dB pad reduces the input level to prevent distortion when using a high-gain source, and the ground-lift switch inhibits hum caused by ground loops. Due to its passive design, the MDB-1P requires no batteries or power supply. A sturdy steel chassis enables confident use in the studio or on the road.

Features

  • Connect an instrument such as a guitar, bass, or keyboard to a microphone preamp
  • Converts a high-impedance, unbalanced 1/4" input to a low-impedance, balanced XLR mic-level output
  • 1/4" thru jack for routing to an amplifier
  • -15 dB pad prevents overloading when accepting signal from a loud source
  • Ground-lift switch minimizes hum
  • Passive design requires no batteries or power supply

 

Specifications

Type

Passive

Input Connections

1 x 1/4" TS unbalanced

Output Connectors

1 x 1/4" TS unbalanced
1 x XLR 3-pin balanced

Input Impedance

140 kOhms unbalanced

Output Impedance

400 Ohms unbalanced

Impedance Ratio

350:1

Pad

-15 dB

High-Pass Filter

None

Controls

Pad
Ground-lift switch

Frequency Response

20 Hz to 20 kHz (±0.2 dB)

Signal to Noise Ratio

Not specified by manufacturer

Dynamic Range

128 dB

Total Harmonic Distortion

0.002% from 1 kHz

Power Requirement

None

Current

N/A

Construction Material

Heavy-gauge steel chassis

Dimensions (H x W x D)                                            

3.8 x 8.6 x 14.7 cm

Weight

400 g

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